source file of the GNU LilyPond music typesetter
- (c) 1996--2004 Jan Nieuwenhuizen <janneke@gnu.org>
- */
+ (c) 1996--2005 Jan Nieuwenhuizen <janneke@gnu.org>
+*/
#include "score-performer.hh"
-#include "midi-def.hh"
+
#include "audio-column.hh"
#include "audio-item.hh"
#include "performance.hh"
#include "string-convert.hh"
#include "warn.hh"
#include "context-def.hh"
+#include "output-def.hh"
+#include "context.hh"
-
-
-ENTER_DESCRIPTION (Score_performer,
-/* descr */ "",
-/* creats*/ "",
-/* accepts */ "",
-/* acks */ "",
-/* reads */ "",
-/* write */ "");
-
+ADD_TRANSLATOR_GROUP (Score_performer,
+ /* descr */ "",
+ /* creats*/ "",
+ /* accepts */ "",
+ /* acks */ "",
+ /* reads */ "",
+ /* write */ "");
Score_performer::Score_performer ()
{
performance_ = 0;
}
-
Score_performer::~Score_performer ()
{
}
void
-Score_performer::play_element (Audio_element * p)
+Score_performer::play_element (Audio_element *p)
{
- if (Audio_item * i=dynamic_cast<Audio_item *> (p))
+ if (Audio_item *i = dynamic_cast<Audio_item *> (p))
{
audio_column_->add_audio_item (i);
}
announce_infos_.push (info);
}
-void
+void
Score_performer::prepare (Moment m)
{
audio_column_ = new Audio_column (m);
play_element (audio_column_);
- recurse_down_translators (daddy_context_, &Translator::start_translation_timestep, UP);
+ precomputed_recurse_over_translators (context (), START_TRANSLATION_TIMESTEP, UP);
}
void
Score_performer::finish ()
{
- recurse_down_translators (daddy_context_, &Translator::finalize, UP);
+ recurse_over_translators (context (),
+ &Translator::finalize,
+ &Translator_group::finalize,
+ UP);
}
-
-void
+
+void
Score_performer::one_time_step ()
{
- recurse_down_translators (daddy_context_, &Performer::process_music, UP);
- recurse_down_translators (daddy_context_, &Performer::do_announces, UP);
- recurse_down_translators (daddy_context_, &Translator::stop_translation_timestep, UP);
+ precomputed_recurse_over_translators (context (), PROCESS_MUSIC, UP);
+ do_announces ();
+ precomputed_recurse_over_translators (context (), STOP_TRANSLATION_TIMESTEP, UP);
}
int
Score_performer::get_tempo () const
{
- return performance_->midi_->get_tempo (Moment (Rational (1, 4)));
+ return ::get_tempo (performance_->midi_, Moment (Rational (1, 4)));
}
-
-Music_output *
+SCM
Score_performer::get_output ()
{
- Music_output * o = performance_;
- performance_ =0;
- return o;
+ Music_output *o = performance_;
+ performance_ = 0;
+ return o->self_scm ();
+}
+
+void
+Score_performer::derived_mark () const
+{
+ if (performance_)
+ scm_gc_mark (performance_->self_scm ());
+
+ Score_translator::derived_mark ();
+ Performer_group_performer::derived_mark ();
}
void
Score_performer::initialize ()
{
performance_ = new Performance;
- performance_->midi_ = dynamic_cast<Midi_def*> (get_output_def ());
+ scm_gc_unprotect_object (performance_->self_scm ());
+ performance_->midi_ = context ()->get_output_def ();
Translator_group::initialize ();
}